.chapter-content{
  color: #606266;
}
.b-title{
  padding: 20px 30px;
  font-size: 20px;
  color: #303133;
}
.b-header{
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
.b-quit{
  border: 1px solid #DCDFE6;
  color: #606266;
  margin-right: 30px;
  height: 28px;
  line-height: 28px;
  margin-top: 20px;
  width: 60px;
  text-align: center;
  border-radius: 6px;
}
.b-quit:hover{
  border: 1px solid #409EFF;
  cursor: pointer;
}
.question-list{
  display: flex;
  flex-direction: column;
  margin-left: 30px;
  width: calc(100% - 60px);
  margin-top: 20px;
  border: 1px solid #DCDFE6;
  border-radius: 6px;
}
.chapter-title{
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 50px;
  color: #303133;
}
.chapter-title > div{
  line-height: 50px;
  text-align: center;
  background-color: #f6f6f6;
}

.chapter-item{
  display: flex;
  flex-direction: row;
  height: 45px;
  border-top: 1px solid #DCDFE6;
}

.chapter-item > div{
  display: flex;
  flex-direction: row;
  padding-top: 9px;
  padding-bottom: 9px;
  align-items: center;


}

.bd-options{
  display: flex;
  flex-direction: row;
  justify-content: center;
}
.b-margin{
  margin-right: 10px;
}
.option-icon{
  color: #409EFF;
}

.b-detail{

  display: flex;
  font-size: 15px;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

.chapter-item:hover{
  background-color: #f6f6f6;
}
.manypage{
  display: flex;
  margin-top: 25px;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}